Spring JavaConfig Reference Guide - Spring Web Services - Parent ...

Chapter 2. New & Noteworthy in 1.0.0.m32.1. AnnotationApplicationContext deprecatedAnnotationApplicationContext presented a naming conflict with Spring 2.5's Annotation-DrivenConfiguration. To avoid this problem it has been renamed to JavaConfigApplicationContext. Beyond therenaming, JavaConfigApplicationContext has several new features worth discussing. See below for details.AnnotationApplicationContext will be removed entirely in JavaConfig 1.0.0.rc1See Section 4.3, “ JavaConfigApplicationContext ”2.2. Type-safety improvementsJavaConfigApplicationContext, JavaConfigWebApplicationContext and the ConfigurationSupport baseclass now all expose type-safe getBean methods, allowing for looking up beans by type, rather than by name.@Configurationpublic class AppConfig {@Beanpublic TransferService transferService() {return new TransferServiceImpl();}}@Beanpublic NotificationService notificationService() {return new NotificationServiceImpl();}public class SimpleApp {public static void main(String... args) {JavaConfigApplicationContext context = new JavaConfigApplicationContext(AppConfig.class);// use the type-safe getBean method to avoid casting and string-based lookupsTransferService transferService = context.getBean(TransferService.class);TransferService notificationService = context.getBean(NotificationService.class);}}// ...See Section 4.3.2.1, “Type-safe access” for details.2.3. First-class support for JavaConfig in the web tierBy popular demand, a WebApplicationContext variant of JavaConfigApplicationContext has been created.This allows for seamless bootstrapping of JavaConfig bean definitions within web.xml requiring no SpringXML whatsoever.org.springframework.web.context.ContextLoaderListenercontextClassorg.springframework.config.java.JavaConfigWebApplicationContextSpring JavaConfig 4